uapi 0.2.1

Wrappers for OS APIs on UNIX-like platform
Documentation 
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use std::mem::MaybeUninit;
use testutils::*;
use uapi::*;

#[test]
fn chdir1() {
    let tmp = Tempdir::new();
    let tmpdir = &std::fs::canonicalize(tmp.bstr()).unwrap();

    let mut buf1 = [MaybeUninit::<u8>::uninit(); 1024];
    let old = getcwd(&mut buf1[..]).unwrap();

    chdir(&tmp).unwrap();

    assert_eq!(tmpdir, &*std::env::current_dir().unwrap());

    chdir(old).unwrap();

    assert_eq!(old.as_ustr(), &*std::env::current_dir().unwrap());

    fchdir(*open(&tmp, c::O_RDONLY, 0).unwrap()).unwrap();

    assert_eq!(tmpdir, &*std::env::current_dir().unwrap());
}